src/third_party/skia/include/effects/SkMagnifierImageFilter.h

   1 /*
   2  * Copyright 2012 The Android Open Source Project
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8
   9 #ifndef SkMagnifierImageFilter_DEFINED
  10 #define SkMagnifierImageFilter_DEFINED
  11
  12 #include "SkRect.h"
  13 #include "SkImageFilter.h"
  14
  15 class SK_API SkMagnifierImageFilter : public SkImageFilter {
  16 public:
  17     static SkMagnifierImageFilter* Create(const SkRect& srcRect, SkScalar inset,
  18                                           SkImageFilter* input = NULL) {
  19         return SkNEW_ARGS(SkMagnifierImageFilter, (srcRect, inset, input));
  20     }
  21
  22     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter)
  23
  24 protected:
  25     SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset, SkImageFilter* input);
  26     explicit SkMagnifierImageFilter(SkReadBuffer& buffer);
  27     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
  28
  29     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
  30                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
  31 #if SK_SUPPORT_GPU
  32     virtual bool asNewEffect(GrEffect** effect, GrTexture* texture, const SkMatrix& matrix,
  33                              const SkIRect& bounds) const SK_OVERRIDE;
  34 #endif
  35
  36 private:
  37     SkRect fSrcRect;
  38     SkScalar fInset;
  39     typedef SkImageFilter INHERITED;
  40 };
  41
  42 #endif